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DRDB · Roman DBDR Acquisition Corp. II · Holdings

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$10.76 +0.01 (+0.09%)
Rebalance outlook locked
Going-concern doubt — flagged Aug 6, 2026

Substantial doubt about the company's ability to continue as a going concern.

“Management has determined that we currently lack the liquidity needed to sustain operations for a reasonable period of time, which is considered to be at least one year from the date that the unaudited condensed financial statements and the notes thereto included in the Report under Item 1. "Financial Statements" are issued, as we expect to continue to incur significant costs in pursuit of our acquisition plans. In addition, Management has determined that if we are unable to complete an initial Business Combination within the Completion Window, then we will cease all operations except for the purpose of liquidating. These conditions raise substantial doubt about our ability to continue as a going concern.”
View the 10-Q filed Aug 6, 2026
Market Cap
$329.67M
Shares
30.67M
Volume · Oct 20 281.09K Avg daily vol (3M) 62.52K

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Use institutional holdings through the 13F API or MCP → See every holder of DRDB: 13F, 13D and 13G, insiders and funds →
Institutional holdings are being reconciled with SEC filings. Holder totals and changes may be incomplete until reconciliation finishes.
Holders: 64
Total Value: $245,006,101
Total Shares: 34,021,961

Institutional Ownership Trend

7 quarters

Holder Concentration

Across 64 13F filers · Δ vs Mar 31, 2026
Top Holder
9.8%
Dec 2024 → Jun 2026 · range 7.5% – 10.1%
+2.0 pts
Top 5
36.0%
Dec 2024 → Jun 2026 · range 30.0% – 36.0%
+3.9 pts
Top 10
59.4%
Dec 2024 → Jun 2026 · range 49.9% – 59.4%
+4.6 pts
HHI
472
Dec 2024 → Jun 2026 · range 377 – 472
Broadly held+51

Who Holds DRDB

Last 7 quarters through Jun 30, 2026

Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.

Jun 30, 2026: 64 filers, like-for-like change +0.7%; actively managed books -1.1%; index-like books +39.3%.

Holder type Share Filers Change
Registered adviser 61.8% 35 -2.1%
Exempt adviser 5.7% 2 0.0%
Adviser 6.7% 5 -27.2%
Bank 2.0% 2 -32.7%
Insurer 6.7% 1 +26.4%
Non-US 2.6% 3 +11.8%
Holding company 1.2% 2 0.0%
Broker-dealer 0.0% 0 —
Unknown 13.3% 14 +39.8%
How the mix is measured

Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.

Conviction and Crowding

51 13F filers, quarter ended Jun 30, 2026

Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.

Conviction holders
4
7.84% of filers hold it in their top 10
Mar 31, 2026: 3
Holders above 5%
0
median weight 0.202%
Mar 31, 2026: 0
Crowding
—
the issuer has more than one class of common stock, so its count is the total across classes
Private-fund advisers
—
of shares outstanding
Institutional ownership
—
the issuer has more than one class of common stock, so its count is the total across classes
Top 10 holders
59.4%
of 13F shares, Herfindahl 0.047
Active holders
-1.3%
like-for-like share change of active filers
5% stakes on record
8
0 13D, 8 13G (6 institutional, 1 passive, 1 exempt)
How long holders have held it value-weighted 5.3 quarters
Under 1 year 12.0% 1 to 3 years 88.0% 3 years or more 0.000% Since coverage start 0.000%

Managers in the top fifth by current three-year FundScore alpha were net buyers of $0 (0 buying, 0 selling).

Estimated Holder Cost Basis

Quarter ended Jun 30, 2026, on that quarter's share basis

Estimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.

Estimated avg cost
$10.22
estimated per share
Mar 31, 2026: $10.16
Quarter-end price
$10.53
implied by 13F values
Estimated gain or loss
+3.1%
price against the estimated cost
Estimated at a loss
0.000%
of costed 13F value

Estimated cost covers 90.8% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.

Shared Holders

Companies DRDB's active holders also own, quarter ended Jun 30, 2026
# Company Shared holders
1 LPAA Launch One Acquisition Corp. 8
2 ANSC Agriculture & Natural Solutions Acquisition Corp 10
3 EURK Eureka Acquisition Corp 5
4 KOYN CSLM Digital Asset Acquisition Corp III, Ltd 7
5 IPCX Inflection Point Acquisition Corp. III 8
6 BREZ Breeze Acquisition Corp. II 6
7 APXT Apex Treasury Corp 8
8 SAGU Shreya Acquisition Group 8
9 FSHP Flag Ship Acquisition Corp 4
10 DAAQ Digital Asset Acquisition Corp. 7

Shareholder Targets

13F filers that own its peers but not DRDB, quarter ended Jun 30, 2026

Found through its holder-overlap peers: LPAA, ANSC, EURK, KOYN, IPCX, BREZ, APXT, SAGU, FSHP, DAAQ, XRPNU, POLE, NPAC, VNME, CRAC, KCHV, SOUL, OBA, FERA, AEAQ. 81 filers in all.

# Filer In peers
1 Polar Asset Management Partners Inc. Registered adviser, Systematic-like $117,055,909 17 held
2 Alberta Investment Management Corp Non-US, Diversified active $106,992,950 12 held
3 MMCAP International Inc. SPC Unknown, Diversified active $89,041,400 7 held
4 Arrington Capital Management, LLC Registered adviser, Concentrated $60,394,320 1 held
5 Wealthspring Capital LLC Registered adviser, Diversified active $46,151,629 10 held
6 MILLENNIUM MANAGEMENT LLC Registered adviser, Systematic-like $42,764,240 11 held
7 ADAGE CAPITAL PARTNERS GP, L.L.C. Registered adviser, Diversified active $40,612,500 2 held
8 Context Capital Management, LLC Registered adviser, Diversified active $37,310,758 13 held
9 Mint Tower Capital Management B.V. Unknown, Diversified active $31,507,250 10 held
10 Governors Lane LP Registered adviser, Diversified active $29,507,005 5 held

Fund Ownership of DRDB by Fund Type

Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026

Index funds and index ETFs hold 0.00% of shares outstanding.

Fund type Of shares outstanding Shares
Index funds 0.00% 0
Index ETFs 0.00% 0
Active ETFs 0.10% 30,000
Active funds 3.41% 1,046,530
Unclassified 0.00% 0
All registered funds 3.51% 1,076,530
How fund types are measured

Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.

Quarterly Activity

vs Mar 31, 2026
New
4
Increased
23
Decreased
12
Sold Out
3
Unchanged
25

New and Sold Out count only filers that reported a 13F for both quarters: a first-time filer's book is not a buy, and a fund that has not filed, or withheld its positions under confidential treatment, has not sold.

Holder count: +1
Institutional value: +1.4%
Shares held: +0.7%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open
MIZUHO SECURITIES USA LLC +571,027 1,571,027
WOLVERINE ASSET MANAGEMENT LLC +537,605 789,500
BERKLEY W R CORP +475,757 2,276,587
HIGHBRIDGE CAPITAL MANAGEMENT LLC +453,163 2,297,271
Westchester Capital Management, LLC +252,847 588,089

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open
Fort Baker Capital Management LP −1,523,746 402,823
METEORA CAPITAL, LLC −953,155 333,449
TWO SIGMA INVESTMENTS, LP −667,142 57,858
TORONTO DOMINION BANK −326,400 644,754
ARISTEIA CAPITAL, L.L.C. −200,000 1,651,034

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open
SkyView Investment Advisors, LLC 125,000 $1,053,500
Virtu Financial LLC 25,209 $265,576
Logan Stone Capital, LLC 19,326 $203,599
CITADEL ADVISORS LLC 11,719 $123,459

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. 12,468 $130,538
FNY Investment Advisers, LLC 100 $1,047
HEIGHTS CAPITAL MANAGEMENT, INC 37,500 $0
Filter: New 4 Increased 23 Reduced 12 Sold out 3 Unchanged 25
Holder type: Registered adviser 35 Exempt adviser 2 Adviser 5 Bank 2 Insurer 1 Non-US 3 Holding company 2 Unknown 14
Showing 91 of 91
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
BERKLEY W R CORP $23,983,844 9.79% 2,276,587
HIGHBRIDGE CAPITAL MANAGEMENT LLC $22,649,196 9.24% 2,149,900
MIZUHO SECURITIES USA LLC $16,550,769 6.76% 1,571,027
GLAZER CAPITAL, LLC $12,641,241 5.16% 1,199,928
AQR Arbitrage LLC $12,421,175 5.07% 1,179,039
Crossingbridge Advisors, LLC $12,036,237 4.91% 1,142,500
D. E. Shaw & Co., Inc. $11,986,596 4.89% 1,137,788
TENOR CAPITAL MANAGEMENT Co., L.P. $11,693,850 4.77% 1,110,000
ARISTEIA CAPITAL, L.L.C. $10,893,432 4.45% 1,034,023
LMR Partners LLP $10,642,183 4.34% 1,010,174
Magnetar Financial LLC $10,535,000 4.30% 1,000,000
WOLVERINE ASSET MANAGEMENT LLC $8,317,382 3.39% 789,500
Linden Advisors LP $7,901,250 3.22% 750,000
BRC Group Holdings, Inc. $6,383,293 2.61% 605,913
Radcliffe Capital Management, L.P. $5,533,677 2.26% 525,266
Verition Fund Management LLC $5,059,465 2.07% 480,253
First Trust Capital Management L.P. $4,775,083 1.95% 453,259
Westchester Capital Management, LLC $4,615,286 1.88% 438,091
WHITEBOX ADVISORS LLC $4,214,000 1.72% 400,000
GOLDMAN SACHS GROUP INC $4,207,889 1.72% 399,420
RLH Capital LLC $3,687,513 1.51% 350,025
RiverPark Advisors, LLC $2,976,137 1.21% 282,500
Schonfeld Strategic Advisors LLC $2,898,800 1.18% 275,159
Shaolin Capital Management LLC $2,816,985 1.15% 267,393
CSS LLC/IL $2,421,511 0.99% 229,854
Periscope Capital Inc. $2,370,375 0.97% 225,000
SONA ASSET MANAGEMENT (US) LLC $2,107,000 0.86% 200,000
MOORE CAPITAL MANAGEMENT, LP $2,107,000 0.86% 200,000
Quarry LP $1,843,772 0.75% 175,014
PICTON MAHONEY ASSET MANAGEMENT $1,843,625 0.75% 175,000
BNP PARIBAS ARBITRAGE, SA $1,516,903 0.62% 143,987
Nokomis Capital, L.L.C. $1,369,823 0.56% 130,026
TORONTO DOMINION BANK $1,053,500 0.43% 100,000
Hudson Bay Capital Management LP $1,053,500 0.43% 100,000
SkyView Investment Advisors, LLC $1,053,500 0.43% 100,000
O'Connor Alternative Investments LLC $1,053,500 0.43% 100,000
TrueMark Investments, LLC $1,001,878 0.41% 95,100
Karpus Management, Inc. $814,092 0.33% 77,275
Clear Street Group Inc. $790,125 0.32% 75,000
Rangeley Capital, LLC $632,100 0.26% 60,000
TWO SIGMA INVESTMENTS, LP $609,534 0.25% 57,858
GEODE CAPITAL MANAGEMENT, LLC $416,395 0.17% 39,525
Lineage Point Capital LP $416,132 0.17% 39,500
READYSTATE ASSET MANAGEMENT LP $271,170 0.11% 25,740
Virtu Financial LLC $265,576 0.11% 25,209
Warberg Asset Management LLC $212,870 0.09% 20,206
Logan Stone Capital, LLC $203,599 0.08% 19,326
CITADEL ADVISORS LLC $123,459 0.05% 11,719
HIGHBRIDGE CAPITAL MANAGEMENT LLC DRDBW $27,043 0.01% 147,371
LONGFELLOW INVESTMENT MANAGEMENT CO LLC $4,782 0.00% 454
UBS Group AG $2,528 0.00% 240
MORGAN STANLEY $526 0.00% 50
TORONTO DOMINION BANK DRDBW — — 544,754
Lineage Point Capital LP DRDBW — — 35,454
WHITEBOX ADVISORS LLC DRDBW — — 200,000
Hudson Bay Capital Management LP DRDBW — — 156,939
Magnetar Financial LLC DRDBW — — 500,000
LONGFELLOW INVESTMENT MANAGEMENT CO LLC DRDBW — — 227
Harraden Circle Investments, LLC DRDBW — — 1,835,778
Kepos Capital LP DRDBW — — 795,550
D. E. Shaw & Co., Inc. DRDBW — — 150,000
MOORE CAPITAL MANAGEMENT, LP DRDBW — — 100,000
Schonfeld Strategic Advisors LLC DRDBW — — 30,000
ARISTEIA CAPITAL, L.L.C. DRDBW — — 617,011
SkyView Investment Advisors, LLC DRDBW — — 25,000
METEORA CAPITAL, LLC DRDBW — — 333,449
Rangeley Capital, LLC DRDBW — — 1,083
RIVERNORTH CAPITAL MANAGEMENT, LLC DRDBW — — 200,000
AQR Arbitrage LLC DRDBW — — 567,396
StoneX Group Inc. DRDBW — — 118,894
Fort Baker Capital Management LP DRDBW — — 402,823
BNP PARIBAS ARBITRAGE, SA DRDBW — — 199,710
Westchester Capital Management, LLC DRDBW — — 149,998
DLD Asset Management, LP DRDBW — — 99,499
K2 PRINCIPAL FUND, L.P. DRDBW — — 103,595
Walleye Capital LLC DRDBW — — 363,771
Nokomis Capital, L.L.C. DRDBW — — 78,473
CSS LLC/IL DRDBW — — 140,625
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND DRDBW — — 375,000
UBS Group AG DRDBU — — 26,829
Linden Advisors LP DRDBW — — 150,000
FLOW TRADERS U.S. LLC DRDBU — — 10,080
Bulldog Investors, LLP DRDBW — — 337,810
Periscope Capital Inc. DRDBW — — 190,000
GLAZER CAPITAL, LLC DRDBW — — 100,000
TENOR CAPITAL MANAGEMENT Co., L.P. DRDBW — — 505,000
Saba Capital Management, L.P. DRDBW — — 174,262
Clear Street Group Inc. DRDBW — — 25,703
Shaolin Capital Management LLC DRDBW — — 406,155
Clear Street Group Inc. DRDBU — — 64,807
LMR Partners LLP DRDBW — — 505,087
Key facts CIK 2032528 CUSIP G7633M104 Visit website Investor relations